The fact that it is still possible to make a deposit on their site without the possibility of withdrawal deserves a red flag.
I agree.
But:
You strictly adhere to the rules of which flag is for which case
That is literally how the Flag system is supposed to be used. Read
theymos' post on the Flag system. It looks like a shortcoming in the Flag system for a rare case.
whirlwind mixer is for avoid.
Agreed.